To minimize fractures of amalgam restorations in deciduous teeth, cavity preparations should have
1. concave pulpal floors.
2. rounded axiopulpal line angles.
3. rounded proximal retention grooves.
4. lateral walls parallel to the external surface of the tooth.
(2) (3) (4)
(1) (2) (4)
(1) (3) (4)
All of the above.
0 explanations
Explanations are useful to guide through learning process and confirm that the correct answer is indeed correct.
Only registered users can add explanations